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词条 Calone
释义

  1. References

  2. External links

{{refimprove|date=May 2016}}{{Chembox
| ImageFile = Calone V1.svg
| ImageSize = 200px
| IUPACName = 7-Methylbenzo[b][1,4]dioxepin-3-one
| OtherNames = Calone 1951; Watermelon ketone; Methylbenzodioxepinone
|Section1={{Chembox Identifiers
| ChemSpiderID = 107218
| InChI = 1/C10H10O3/c1-7-2-3-9-10(4-7)13-6-8(11)5-12-9/h2-4H,5-6H2,1H3
| InChIKey = SWUIQEBPZIHZQS-UHFFFAOYAC
| CASNo = 28940-11-6
| PubChem = 120101
| SMILES = O=C1COc2c(OC1)cc(cc2)C
}}
|Section2={{Chembox Properties
| C=10 | H=10 | O=3
| Appearance =
| Density =
| MeltingPt =
| BoilingPt =
| Solubility = }}
|Section3={{Chembox Hazards
| MainHazards =
| FlashPt =
| AutoignitionPt = }}
}}

Calone or methylbenzodioxepinone, trade-named Calone 1951, also known in the industry as "watermelon ketone", was discovered by Pfizer in 1966. It is used to give the olfactory impression of a fresh seashore through the marine and ozone nuances. Calone is similar in structure of certain alicyclic C11-hydrocarbons like ectocarpene, excreted by some species of brown algae as pheromones.

Calone is an unusual odorant which has an intense "sea-breeze" note with slight floral overtones. It has been used as a scent component since the 1980s for its watery, fresh, ozone accords, and as a more dominant note in several perfumes of the marine trend, beginning in the 1990s. In 2014, Plummer and co-workers reported the synthesis and fragrance properties of several related aliphatic analogues. [1]

References

1. ^{{cite journal | title = Synthesis of Saturated Benzodioxepinone Analogues: Insight into the Importance of the Aromatic Ring Binding Motif for Marine Odorants | author = C. M. Plummer, R. Gericke, P. Kraft, A. Raynor, J. Froese, T. Hudlicky, T. J. Rook, O. A. H. Jones and H. M. Hϋgel | journal = Eur. J. Org. Chem. | date = 4 Dec 2014 | volume=2015 | pages=486–495 | doi=10.1002/ejoc.201403142}}

External links

  • Constituents of fragrances
  • Watermelon ketone

2 : Perfume ingredients|Ketones

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